Move buildroot to bsp directory.

bsp/buildroot/package/python-cheetah/Config.in

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+config BR2_PACKAGE_PYTHON_CHEETAH
+	bool "python-cheetah"
+	depends on BR2_PACKAGE_PYTHON
+	help
+	  Cheetah is an open source template engine and code generation tool.
+
+	  It can be used standalone or combined with other tools and frameworks.
+	  Web development is its principle use, but Cheetah is very flexible
+	  and is also being used to generate C++ game code, Java, sql, form
+	  emails and even Python code.
+
+	  https://pypi.python.org/pypi/Cheetah/

bsp/buildroot/package/python-cheetah/python-cheetah.hash

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+# From https://pypi.python.org/pypi/Cheetah/2.4.4
+md5	853917116e731afbc8c8a43c37e6ddba	Cheetah-2.4.4.tar.gz
+# Calculated based on the hash above
+sha256	be308229f0c1e5e5af4f27d7ee06d90bb19e6af3059794e5fd536a6f29a9b550	Cheetah-2.4.4.tar.gz

bsp/buildroot/package/python-cheetah/python-cheetah.mk

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+################################################################################
+#
+# python-cheetah
+#
+################################################################################
+
+PYTHON_CHEETAH_VERSION = 2.4.4
+PYTHON_CHEETAH_SOURCE = Cheetah-$(PYTHON_CHEETAH_VERSION).tar.gz
+PYTHON_CHEETAH_SITE = http://pypi.python.org/packages/source/C/Cheetah
+PYTHON_CHEETAH_LICENSE = MIT
+PYTHON_CHEETAH_SETUP_TYPE = setuptools
+
+HOST_PYTHON_CHEETAH_NEEDS_HOST_PYTHON = python2
+
+# The dependency on host-python-markdown is needed to prevent
+# setuptools from downloading markdown if it is not installed yet.
+HOST_PYTHON_CHEETAH_DEPENDENCIES = host-python-markdown
+
+$(eval $(python-package))
+$(eval $(host-python-package))